US6909616B2 - Power supply and power supply control device for an electronic equipment having a key off function - Google Patents
Power supply and power supply control device for an electronic equipment having a key off function Download PDFInfo
- Publication number
- US6909616B2 US6909616B2 US10/649,727 US64972703A US6909616B2 US 6909616 B2 US6909616 B2 US 6909616B2 US 64972703 A US64972703 A US 64972703A US 6909616 B2 US6909616 B2 US 6909616B2
- Authority
- US
- United States
- Prior art keywords
- power
- signal
- key
- response
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0056707A KR100470593B1 (en) | 2002-09-18 | 2002-09-18 | Power supply controlling device of electronic equipment having key off function |
KR2002-56707 | 2002-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20040052093A1 US20040052093A1 (en) | 2004-03-18 |
US6909616B2 true US6909616B2 (en) | 2005-06-21 |
Family
ID=31987471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/649,727 Expired - Fee Related US6909616B2 (en) | 2002-09-18 | 2003-08-28 | Power supply and power supply control device for an electronic equipment having a key off function |
Country Status (3)
Country | Link |
---|---|
US (1) | US6909616B2 (en) |
KR (1) | KR100470593B1 (en) |
CN (1) | CN1329781C (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040017112A1 (en) * | 2002-07-23 | 2004-01-29 | Samsung Electronics Co., Ltd. | Power supply controlling device of an electronic equipment |
US20040125616A1 (en) * | 2002-07-23 | 2004-07-01 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling a power supply in an electronic machine using a host |
US20050063725A1 (en) * | 2002-12-20 | 2005-03-24 | Takashi Matsukura | Image forming device |
US20060053318A1 (en) * | 2004-09-06 | 2006-03-09 | Samsung Electronics Co., Ltd. | Apparatus having power saving mode function and method for controlling power saving mode |
US20060239040A1 (en) * | 2004-01-14 | 2006-10-26 | Sanken Electric Co., Ltd. | Dual-mode switching dc-to-dc converter |
US20070076449A1 (en) * | 2005-09-30 | 2007-04-05 | Sanken Electric Co., Ltd. | Switching power source apparatus |
US20100176658A1 (en) * | 2009-01-13 | 2010-07-15 | Li-Chun Lai | Power Control Apparatus for Power Strip |
US20110048079A1 (en) * | 2009-07-31 | 2011-03-03 | Lg Electronics Inc. | Home appliance |
US20110298281A1 (en) * | 2010-06-04 | 2011-12-08 | Samsung Electronics Co., Ltd | Switching mode power supply and power supply method using the same |
US20120299566A1 (en) * | 2011-05-24 | 2012-11-29 | Min-Hua Hsu | Power supply |
KR101260749B1 (en) | 2013-04-02 | 2013-05-06 | 주식회사 케이포스 | Power supply apparatus |
US20140078789A1 (en) * | 2012-09-20 | 2014-03-20 | Iwatt Inc. | Switching power converter with secondary-side dynamic load detection and primary-side feedback and control |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10257908A1 (en) * | 2002-12-11 | 2004-06-24 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Clocked power supply |
US7737658B2 (en) * | 2003-10-27 | 2010-06-15 | Sony Corporation | Battery packs having a charging mode and a discharging mode |
CN1987233B (en) * | 2005-12-22 | 2010-12-22 | 乐金电子(天津)电器有限公司 | Air conditioner capable of controlling power source and its operation method |
US7489855B2 (en) * | 2006-07-31 | 2009-02-10 | Infinson Technologies Ag | Systems and methods for driving a load |
KR101011446B1 (en) * | 2008-10-24 | 2011-01-28 | 주식회사 해피콜 | Closure for pumping of vessle |
WO2011030522A1 (en) * | 2009-09-09 | 2011-03-17 | パナソニック株式会社 | Power supply controller |
CN102243522A (en) * | 2010-05-14 | 2011-11-16 | 鸿富锦精密工业(深圳)有限公司 | Intelligent management method and system for pulse width modulation (PWM) |
CN105703763B (en) * | 2010-12-08 | 2019-02-22 | 深圳迈辽技术转移中心有限公司 | Voltage sequence output circuit |
CN102571074B (en) * | 2010-12-08 | 2016-05-25 | 国网山东省电力公司济宁供电公司 | Voltage sequence output circuit |
US8953341B2 (en) * | 2011-05-09 | 2015-02-10 | Infineon Technologies Ag | Converter with reduced power consumption |
KR20130003254A (en) * | 2011-06-30 | 2013-01-09 | 엘지이노텍 주식회사 | Apparatus for reducing standby power consumption |
CN103529758B (en) * | 2012-07-05 | 2016-10-05 | 联想(北京)有限公司 | A kind of method for controlling power supply, power supply control apparatus and electronic equipment |
TWI501493B (en) * | 2013-06-13 | 2015-09-21 | Universal Scient Ind Shanghai | Starting engine protector with delay circuit and delay circuit thereof |
CN107608492A (en) * | 2017-09-04 | 2018-01-19 | 深圳易普森科技股份有限公司 | The method of controlling switch and device of terminal device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4928220A (en) * | 1988-10-14 | 1990-05-22 | Compaq Computer Inc. | Switching mode DC-to-DC power supply with improved current sensing |
US4937728A (en) * | 1989-03-07 | 1990-06-26 | Rca Licensing Corporation | Switch-mode power supply with burst mode standby operation |
US5313381A (en) * | 1992-09-01 | 1994-05-17 | Power Integrations, Inc. | Three-terminal switched mode power supply integrated circuit |
US5617016A (en) * | 1993-10-22 | 1997-04-01 | Sgs Microelectronics, S.R.L. | Buck converter with operating mode automatically determined by the load level |
US5852550A (en) * | 1997-08-04 | 1998-12-22 | Philips Electronics North America Corporation | Switched-mode power supply circuit having a very low power stand-by mode |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06209569A (en) * | 1993-01-05 | 1994-07-26 | Yokogawa Electric Corp | Switching power supply |
JPH0740633A (en) * | 1993-07-29 | 1995-02-10 | Tec Corp | Ink jet printer |
KR970049114A (en) * | 1995-12-30 | 1997-07-29 | 김광호 | Reset circuit of laser printer |
KR0155081B1 (en) * | 1996-04-08 | 1998-12-01 | 김광호 | Printer with compulsory stoppage function and method of the same |
KR970073986A (en) * | 1996-05-15 | 1997-12-10 | 김광호 | Printer power control device and method |
US5862044A (en) * | 1996-12-02 | 1999-01-19 | Yokogawa Electric Corporation | Switching power supply unit |
KR100219659B1 (en) * | 1997-08-27 | 1999-09-01 | 윤종용 | Power supply controlling device of printing device |
JP3678098B2 (en) * | 2000-01-21 | 2005-08-03 | 松下電器産業株式会社 | Power supply device and electronic device using the same |
JP2001229003A (en) * | 2000-02-15 | 2001-08-24 | Canon Inc | Power supply device |
-
2002
- 2002-09-18 KR KR10-2002-0056707A patent/KR100470593B1/en not_active IP Right Cessation
-
2003
- 2003-08-28 US US10/649,727 patent/US6909616B2/en not_active Expired - Fee Related
- 2003-09-17 CN CNB031589553A patent/CN1329781C/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4928220A (en) * | 1988-10-14 | 1990-05-22 | Compaq Computer Inc. | Switching mode DC-to-DC power supply with improved current sensing |
US4937728A (en) * | 1989-03-07 | 1990-06-26 | Rca Licensing Corporation | Switch-mode power supply with burst mode standby operation |
US5313381A (en) * | 1992-09-01 | 1994-05-17 | Power Integrations, Inc. | Three-terminal switched mode power supply integrated circuit |
US5617016A (en) * | 1993-10-22 | 1997-04-01 | Sgs Microelectronics, S.R.L. | Buck converter with operating mode automatically determined by the load level |
US5852550A (en) * | 1997-08-04 | 1998-12-22 | Philips Electronics North America Corporation | Switched-mode power supply circuit having a very low power stand-by mode |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040125616A1 (en) * | 2002-07-23 | 2004-07-01 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling a power supply in an electronic machine using a host |
US7002814B2 (en) * | 2002-07-23 | 2006-02-21 | Samsung Electronics Co., Ltd. | Power supply controlling device of an electronic equipment |
US20040017112A1 (en) * | 2002-07-23 | 2004-01-29 | Samsung Electronics Co., Ltd. | Power supply controlling device of an electronic equipment |
US20050063725A1 (en) * | 2002-12-20 | 2005-03-24 | Takashi Matsukura | Image forming device |
US7062191B2 (en) * | 2002-12-20 | 2006-06-13 | Canon Finetech Inc. | Image forming device including AC loads driven by an AC power supply |
US7212417B2 (en) * | 2004-01-14 | 2007-05-01 | Sanken Electric Co., Ltd. | Dual-mode switching DC-to-DC converter |
US20060239040A1 (en) * | 2004-01-14 | 2006-10-26 | Sanken Electric Co., Ltd. | Dual-mode switching dc-to-dc converter |
US7620829B2 (en) * | 2004-09-06 | 2009-11-17 | Samsung Electronics Co., Ltd. | Apparatus having power saving mode function and method for controlling power saving mode |
US20060053318A1 (en) * | 2004-09-06 | 2006-03-09 | Samsung Electronics Co., Ltd. | Apparatus having power saving mode function and method for controlling power saving mode |
KR101190944B1 (en) | 2005-09-30 | 2012-10-12 | 산켄덴키 가부시키가이샤 | Switching power source apparatus |
US7336508B2 (en) * | 2005-09-30 | 2008-02-26 | Sanken Electric Co., Ltd. | Switching power source apparatus with voltage gate detector for the switch |
US20070076449A1 (en) * | 2005-09-30 | 2007-04-05 | Sanken Electric Co., Ltd. | Switching power source apparatus |
US20100176658A1 (en) * | 2009-01-13 | 2010-07-15 | Li-Chun Lai | Power Control Apparatus for Power Strip |
US20110048079A1 (en) * | 2009-07-31 | 2011-03-03 | Lg Electronics Inc. | Home appliance |
US8833109B2 (en) * | 2009-07-31 | 2014-09-16 | Lg Electronics Inc. | Home appliance |
US20110298281A1 (en) * | 2010-06-04 | 2011-12-08 | Samsung Electronics Co., Ltd | Switching mode power supply and power supply method using the same |
US9093905B2 (en) * | 2010-06-04 | 2015-07-28 | Samsung Electronics Co., Ltd. | Switching mode power supply and power supply method using the same |
US9660549B2 (en) | 2010-06-04 | 2017-05-23 | S-Printing Solution Co., Ltd. | Switching mode power supply |
US20120299566A1 (en) * | 2011-05-24 | 2012-11-29 | Min-Hua Hsu | Power supply |
US9013897B2 (en) * | 2011-05-24 | 2015-04-21 | Asustek Computer Inc. | Power supply |
US20140078789A1 (en) * | 2012-09-20 | 2014-03-20 | Iwatt Inc. | Switching power converter with secondary-side dynamic load detection and primary-side feedback and control |
US9154039B2 (en) * | 2012-09-20 | 2015-10-06 | Dialog Semiconductor Inc. | Switching power converter with secondary-side dynamic load detection and primary-side feedback and control |
KR101260749B1 (en) | 2013-04-02 | 2013-05-06 | 주식회사 케이포스 | Power supply apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN1329781C (en) | 2007-08-01 |
CN1490693A (en) | 2004-04-21 |
KR20040024953A (en) | 2004-03-24 |
US20040052093A1 (en) | 2004-03-18 |
KR100470593B1 (en) | 2005-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SAMSUNG ELECTRONICS CO., LTD., KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KIM, JUNG-HWAN;REEL/FRAME:014440/0540 Effective date: 20030819 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
CC | Certificate of correction | ||
FPAY | Fee payment |
Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
AS | Assignment |
Owner name: S-PRINTING SOLUTION CO., LTD., KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SAMSUNG ELECTRONICS CO., LTD;REEL/FRAME:041852/0125 Effective date: 20161104 |
|
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20170621 |